04-23-2014, 11:07 AM
(This post was last modified: 04-23-2014, 11:08 AM by Dave-Trinity-Farms.)
Ya on the map you look pretty high. Thats a tough spot. To find a mix that has almost no selenium but has other minerals high enough to warrant buying. As for the rest with the hair, it may need a few years to build up a high enough level to start effecting them.
http://tin.er.usgs.gov/geochem/doc/averages/se/usa.html
http://tin.er.usgs.gov/geochem/doc/averages/se/usa.html